Updated to 13.04 final today.  After rebooting and logging in for the
first time, it took 12 minutes for this bug to occur, requiring a hard
reboot.  Not good.

Heres the relevant bit of the xorg.conf file:

(EE) [mi] EQ overflowing.  Additional events will be discarded until existing 
events are processed.
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7f90734fc476]
(EE) 1: /usr/bin/X (mieqEnqueue+0x26b) [0x7f90734dd78b]
(EE) 2: /usr/bin/X (0x7f907334c000+0x6d472) [0x7f90733b9472]
(EE) 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f906bf3e000+0x5f44) 
[0x7f906bf43f44]
(EE) 4: /usr/bin/X (0x7f907334c000+0x96927) [0x7f90733e2927]
(EE) 5: /usr/bin/X (0x7f907334c000+0xc0328) [0x7f907340c328]
(EE) 6: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f907244f000+0xfbd0) 
[0x7f907245ebd0]
(EE) 7: (vdso) (0x7fff529fe000+0x70c) [0x7fff529fe70c]
(EE) 8: (vdso) (__vdso_gettimeofday+0x161) [0x7fff529fed01]
(EE) 9: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so 
(0x7f906c5d5000+0xf25fe) [0x7f906c6c75fe]
(EE) 10: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so 
(0x7f906c5d5000+0x811b5) [0x7f906c6561b5]
(EE) 11: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so 
(0x7f906c5d5000+0xd33cf) [0x7f906c6a83cf]
(EE) 12: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so 
(0x7f906c5d5000+0xce440) [0x7f906c6a3440]
(EE) 13: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so 
(0x7f906c5d5000+0xceb70) [0x7f906c6a3b70]
(EE) 14: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so 
(0x7f906c5d5000+0x80ebb) [0x7f906c655ebb]
(EE) 15: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so 
(0x7f906c5d5000+0xf657b) [0x7f906c6cb57b]
(EE) 16: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/nvidia_drv.so 
(0x7f906c5d5000+0x544cad) [0x7f906cb19cad]
(EE) 17: /usr/bin/X (0x7f907334c000+0x137bd0) [0x7f9073483bd0]
(EE) 18: /usr/bin/X (ValidateGC+0x24) [0x7f90733b72c4]
(EE) 19: /usr/bin/X (miCompositeRects+0x19a) [0x7f907347708a]
(EE) 20: /usr/bin/X (0x7f907334c000+0x132c95) [0x7f907347ec95]
(EE) 21: /usr/bin/X (0x7f907334c000+0x58ac1) [0x7f90733a4ac1]
(EE) 22: /usr/bin/X (0x7f907334c000+0x4757a) [0x7f907339357a]
(EE) 23: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) 
[0x7f907109cea5]
(EE) 24: /usr/bin/X (0x7f907334c000+0x478c1) [0x7f90733938c1]
(EE) 
(EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up 
the stack.
(EE) [mi] mieq is *NOT* the cause.  It is a victim.
[  1544.893] (EE) NVIDIA(0): Failed to initialize DMA.
[  1544.893] (EE) NVIDIA(0):  *** Aborting ***
[  1544.893] (EE) NVIDIA(0): Error recovery failed.
[  1544.893] (EE) NVIDIA(0):  *** Aborting ***
[  1544.893] 
Fatal server error:
[  1544.893] Failed to recover from error!
[  1544.893] 
[  1544.893] (EE) 
Please consult the The X.Org Foundation support 
         at http://wiki.x.org
 for help. 
[  1544.893] (EE) Please also check the log file at "/var/log/Xorg.0.log" for 
additional information.
[  1544.893] (EE) 
[  1544.894] [mi] Increasing EQ size to 512 to prevent dropped events.
[  1544.894] [mi] EQ processing has resumed after 57 dropped events.
[  1544.894] [mi] This may be caused my a misbehaving driver monopolizing the 
server's resources.
[  1544.894] (II) evdev: Power Button: Close
[  1544.895] (II) UnloadModule: "evdev"
[  1544.895] (II) evdev: Power Button: Close
[  1544.895] (II) UnloadModule: "evdev"
[  1544.897] (II) evdev: USB Optical Mouse: Close
[  1544.897] (II) UnloadModule: "evdev"
[  1544.897] (II) evdev: UVC Camera (046d:080a): Close
[  1544.897] (II) UnloadModule: "evdev"
[  1544.897] (II) evdev: AT Translated Set 2 keyboard: Close
[  1544.897] (II) UnloadModule: "evdev"
[  1547.897] (WW) NVIDIA(0): WAIT (2, 6, 0x8000, 0xdffe2000, 0x00000014)

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1077616

Title:
  10de:0ca3 (EE) [mi] EQ overflowing.  Additional events will be
  discarded until existing events are processed

Status in “nvidia-graphics-drivers” package in Ubuntu:
  New

Bug description:
  Random hard locks on fresh installs of Ubuntu 12.10 (64 bit),
  requiring hard reboot.  Keyboard is unresponsive, and unable to
  Ctrl+Alt+F5 etc.  This happens with any Desktop environment (GNOME,
  Cinnamon, KDE).  Using NVidia GT240 with NVidia binary blob.  This
  appears to be no pattern to when this happens - can be using any
  application.  Happens several times per day.

  With Nouveau my system usually freezes within a couple of minutes of
  logging in.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: xorg 1:7.7+1ubuntu4
  ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
  Uname: Linux 3.5.0-18-generic x86_64
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  304.51  Tue Sep 18 17:16:56 
PDT 2012
   GCC version:  gcc version 4.7.2 (Ubuntu/Linaro 4.7.2-2ubuntu1)
  .tmp.unity.support.test.0:

  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  Date: Sun Nov 11 11:38:46 2012
  DistUpgraded: Fresh install
  DistroCodename: quantal
  DistroVariant: ubuntu
  DkmsStatus:
   nvidia-current-updates, 304.51, 3.5.0-16-generic, x86_64: installed
   nvidia-current-updates, 304.51, 3.5.0-17-generic, x86_64: installed
   nvidia-current-updates, 304.51, 3.5.0-18-generic, x86_64: installed
  GraphicsCard:
   NVIDIA Corporation GT215 [GeForce GT 240] [10de:0ca3] (rev a2) (prog-if 00 
[VGA controller])
     Subsystem: CardExpert Technology Device [10b0:0401]
  InstallationDate: Installed on 2012-10-01 (40 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120930)
  MachineType: System manufacturer P5Q3 DELUXE
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic 
root=UUID=227be926-89cc-48ce-ac13-7a10a38896b3 ro quiet splash
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/11/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1702
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P5Q3 DELUXE
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1702:bd12/11/2008:svnSystemmanufacturer:pnP5Q3DELUXE:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5Q3DELUXE:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: P5Q3 DELUXE
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.39-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.99.99~git20120913.8637f772-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.2-0ubuntu3

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